A374233 - cp's OEIS frontend

A374233 Irregular triangle read by rows where row n lists the primes containing at least one digit not seen in any smaller prime in base n, for n >= 2.

n	a(n)
2	2
3	2
4	3
5	2
6	3
7	5
8	17
9	2
10	3
11	5
12	19
13	2
14	3
15	5
16	7
17	29
18	37
19	2
20	3
21	5
22	7
23	11
24	13
25	2
26	3
27	5
28	7
29	11
30	37
31	53
32	67
33	2
34	3
35	5
36	7
37	11
38	13
39	17
40	59
41	83
42	2
43	3
44	5
45	7
46	11
47	19
48	41
49	61
50	83
51	101
52	2
53	3
54	5
55	7
56	11
57	17
58	19
59	31
60	37
61	43
62	2
63	3
64	5
65	7
66	11
67	13
68	53
69	73
70	97
71	109
72	127
73	149

[2, 2, 3, 2, 3, 5, 17, 2, 3, 5, 19, 2, 3, 5, 7, 29, 37, 2, 3, 5, 7, 11, 13, 2, 3, 5, 7, 11, 37, 53, 67, 2, 3, 5, 7, 11, 13, 17, 59, 83, 2, 3, 5, 7, 11, 19, 41, 61, 83, 101, 2, 3, 5, 7, 11, 17, 19, 31, 37, 43, 2, 3, 5, 7, 11, 13, 53, 73, 97, 109, 127, 149]

cp's OEIS Frontend

A374233 Irregular triangle read by rows where row n lists the primes containing at least one digit not seen in any smaller prime in base n, for n >= 2.

Table of values

List of values

n	a(n)
2	2
3	2
4	3
5	2
6	3
7	5
8	17
9	2
10	3
11	5
12	19
13	2
14	3
15	5
16	7
17	29
18	37
19	2
20	3
21	5
22	7
23	11
24	13
25	2
26	3
27	5
28	7
29	11
30	37
31	53
32	67
33	2
34	3
35	5
36	7
37	11
38	13
39	17
40	59
41	83
42	2
43	3
44	5
45	7
46	11
47	19
48	41
49	61
50	83
51	101
52	2
53	3
54	5
55	7
56	11
57	17
58	19
59	31
60	37
61	43
62	2
63	3
64	5
65	7
66	11
67	13
68	53
69	73
70	97
71	109
72	127
73	149

n	a(n)
2	2
3	2
4	3
5	2
6	3
7	5
8	17
9	2
10	3
11	5
12	19
13	2
14	3
15	5
16	7
17	29
18	37
19	2
20	3
21	5
22	7
23	11
24	13
25	2
26	3
27	5
28	7
29	11
30	37
31	53
32	67
33	2
34	3
35	5
36	7
37	11
38	13
39	17
40	59
41	83
42	2
43	3
44	5
45	7
46	11
47	19
48	41
49	61
50	83
51	101
52	2
53	3
54	5
55	7
56	11
57	17
58	19
59	31
60	37
61	43
62	2
63	3
64	5
65	7
66	11
67	13
68	53
69	73
70	97
71	109
72	127
73	149

n	a(n)
2	2
3	2
4	3
5	2
6	3
7	5
8	17
9	2
10	3
11	5
12	19
13	2
14	3
15	5
16	7
17	29
18	37
19	2
20	3
21	5
22	7
23	11
24	13
25	2
26	3
27	5
28	7
29	11
30	37
31	53
32	67
33	2
34	3
35	5
36	7
37	11
38	13
39	17
40	59
41	83
42	2
43	3
44	5
45	7
46	11
47	19
48	41
49	61
50	83
51	101
52	2
53	3
54	5
55	7
56	11
57	17
58	19
59	31
60	37
61	43
62	2
63	3
64	5
65	7
66	11
67	13
68	53
69	73
70	97
71	109
72	127
73	149